半瓶子酱油

1、挂载光盘# mount /dev/cdrom/ /mnt/     mount: block device /dev/sr0 is write-protected, mounting read-only设置开机自动挂载vi /etc/fstab/dev/cdrom  /mnt  iso9660   default  0    02、配置yum源

iostat介绍iostat用于输出CPU和磁盘I/O相关的统计信息，便于分析Linux系统性能问题.命令格式:shell> iostat --help用法: iostat [ 选项 ] [ [ ] ]选项:[ -c ] [ -d ] [ -N ] [ -n ] [ -h ] [ -k | -m ] [ -t ] [ -V ] [ -x ] [ -z ][ [...]

top命令经常用来监控linux的系统状况，比如cpu、内存的使用。shell> toptop - 14:36:26 up 500 days, 22:51, 2 users, load average: 0.22, 0.28, 0.69Tasks: 334 total, 1 running, 333 sleeping, 0 stopped, 0 zombieCpu(s):